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-rw-r--r--src/mem/bus.cc18
1 files changed, 13 insertions, 5 deletions
diff --git a/src/mem/bus.cc b/src/mem/bus.cc
index 2a38cb635..4cd4dd71a 100644
--- a/src/mem/bus.cc
+++ b/src/mem/bus.cc
@@ -68,7 +68,9 @@ Bus::init()
}
Bus::BusFreeEvent::BusFreeEvent(Bus *_bus) : Event(&mainEventQueue), bus(_bus)
-{}
+{
+ assert(!scheduled());
+}
void Bus::BusFreeEvent::process()
{
@@ -104,6 +106,7 @@ Bus::occupyBus(int numCycles)
} else {
busIdle.reschedule(tickNextIdle);
}
+ DPRINTF(Bus, "The bus is now occupied from tick %d to %d\n", curTick, tickNextIdle);
}
/** Function called by the port when the bus is receiving a Timing
@@ -155,6 +158,11 @@ Bus::recvTiming(Packet *pkt)
if (port->sendTiming(pkt)) {
// Packet was successfully sent. Return true.
+ // Also take care of retries
+ if (retryingPort) {
+ retryList.pop_front();
+ retryingPort = NULL;
+ }
return true;
}
@@ -166,15 +174,15 @@ Bus::recvTiming(Packet *pkt)
void
Bus::recvRetry(int id)
{
- //If there's anything waiting...
+ // If there's anything waiting...
if (retryList.size()) {
retryingPort = retryList.front();
retryingPort->sendRetry();
- //If the retryingPort pointer isn't null, either sendTiming wasn't
- //called, or it was and the packet was successfully sent.
+ // If the retryingPort pointer isn't null, sendTiming wasn't called
if (retryingPort) {
+ warn("sendRetry didn't call sendTiming\n");
retryList.pop_front();
- retryingPort = 0;
+ retryingPort = NULL;
}
}
}